DE68909009D1 - Process for the production of ferrochrome with low carbon and high chromium content. - Google Patents
Process for the production of ferrochrome with low carbon and high chromium content.Info
- Publication number
- DE68909009D1 DE68909009D1 DE89120889T DE68909009T DE68909009D1 DE 68909009 D1 DE68909009 D1 DE 68909009D1 DE 89120889 T DE89120889 T DE 89120889T DE 68909009 T DE68909009 T DE 68909009T DE 68909009 D1 DE68909009 D1 DE 68909009D1
- Authority
- DE
- Germany
- Prior art keywords
- ferrochrome
- production
- low carbon
- chromium content
- high chromium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28517388A JPH0660368B2 (en) | 1988-11-11 | 1988-11-11 | Method for producing low carbon ferrochrome having high chromium content |
JP5717589A JPH064897B2 (en) | 1989-03-09 | 1989-03-09 | High-purity, high-chromium alloy manufacturing method |
JP5717489A JPH0742528B2 (en) | 1989-03-09 | 1989-03-09 | Method for producing high purity, high chromium content alloy |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68909009D1 true DE68909009D1 (en) | 1993-10-14 |
DE68909009T2 DE68909009T2 (en) | 1994-04-07 |
Family
ID=27296166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89120889T Expired - Fee Related DE68909009T2 (en) | 1988-11-11 | 1989-11-10 | Process for the production of ferrochrome with low carbon and high chromium content. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5123957A (en) |
EP (1) | EP0371299B1 (en) |
CA (1) | CA2002790A1 (en) |
DE (1) | DE68909009T2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6797080B2 (en) * | 2001-07-09 | 2004-09-28 | Showa Denko Kabushiki Kaisha | Method for producing spraying material |
CN103937984B (en) * | 2014-04-25 | 2016-05-18 | 甘肃锦世化工有限责任公司 | A kind of chromium cast iron contained is prepared the method for crome metal |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1113364A (en) * | 1953-10-07 | 1956-03-28 | Elek Ska Svetsningsaktiebolage | Manufacturing process of low carbon chromium alloys |
DE1225678C2 (en) * | 1964-11-23 | 1967-04-20 | Elektrometallurgie M B H Ges | Process for the production of nitrogenous steel refiners |
US3420657A (en) * | 1966-02-14 | 1969-01-07 | Union Carbide Corp | Oxygen treatment of chromium alloys |
FI43646B (en) * | 1966-04-12 | 1971-02-01 | Outokumpu Oy | |
US3635699A (en) * | 1969-12-22 | 1972-01-18 | Union Carbide Corp | Method of producing sized particles of low-carbon ferrochromium |
US4417927A (en) * | 1982-03-29 | 1983-11-29 | General Electric Company | Steel nitriding method and apparatus |
-
1989
- 1989-10-30 US US07/428,582 patent/US5123957A/en not_active Expired - Fee Related
- 1989-11-10 EP EP89120889A patent/EP0371299B1/en not_active Expired - Lifetime
- 1989-11-10 CA CA002002790A patent/CA2002790A1/en not_active Abandoned
- 1989-11-10 DE DE89120889T patent/DE68909009T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE68909009T2 (en) | 1994-04-07 |
EP0371299A1 (en) | 1990-06-06 |
US5123957A (en) | 1992-06-23 |
EP0371299B1 (en) | 1993-09-08 |
CA2002790A1 (en) | 1990-05-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |